Item # 424425
Model # H1504ST2
THANK YO
U
We appreciate the trust and confidence you have placed in Husky through the purchase of this 4 gallon oil free portable stack tank air compressor.
We strive to continually create quality products designed to enhance your home. Visit us online to see our full line of products available for your
home improvement needs. Thank you for choosing Husky!
USE AND CARE GUIDE
4 GALLON OIL FREE PORTABLE STACK TANK AIR COMPRESSOR
Questions, problems, missing parts?
Before returning to the store, call
Husky Customer Service
8 a.m – 6 p.m., EST, Monday-Friday
1-888-43-HUSKY
HUSKYTOOLS.COM
2
Table of Contents
Table of Contents............................................. 2
Safety Information............................................ 2
GENERAL SAFETY RULES .........................................................3
Work area safety......................................................................3
Electrical safety .......................................................................3
Personal safety ........................................................................3
Tool use and care.....................................................................4
Service.....................................................................................4
SPECIFIC SAFETY RULES..........................................................4
Electrical safety (extension cords)...........................................6
Electrical safety (electrical connection)...................................6
Electrical safety (speed and wiring).........................................6
Electrical safety (grounding instructions) ................................7
Warranty........................................................... 8
HUSKY air compressor limited two-year warranty ..................8
What is covered under this limited two-year warranty............8
How to obtain service ..............................................................8
What is not covered .................................................................8
Additional limitations ...............................................................8
Pre-installation ................................................ 9
Specifications ..........................................................................9
Package Contents ....................................................................9
Assembly ....................................................... 10
Transport and Lifting ..................................... 12
Operation....................................................... 13
Maintenance .................................................. 15
General maintenance.............................................................15
Air compressor Lubrication....................................................15
Care and Cleaning ......................................... 15
Troubleshooting............................................. 16
Service Parts ................................................. 18
Parts diagram ........................................................................18
Parts list.................................................................................19
Symbols ......................................................... 20
Glossary......................................................... 21
Safety Information
PRODUCT FOR CONSUMER USE ONLY.
Not intended for commercial use.
DANGER:
This compressor/pump is not equipped and should not
be used to supply breathing quality air. Additional
equipment would be necessary to properly filter and
purify the air to meet minimal specifications for Grade D
breathing as described in Compressed Gas Association
Commodity Specification G 7.1 - 1966, OSHA 29 CFR
1910.134. Compressed Gas Association, 4221 Walney
Road, Fifth Floor, Chantilly, VA 20151-2923, (703) 788-
2700, www.cganet.com. Any such additional equipment
has not been examined and no implication of proper use
for breathing air is intended or implied.
If this compressor is altered in any way, existing
warranties shall be voided. Husky disclaims any
liabilities whatsoever for any loss, personal injury, or
damage.
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Safety Information (continued)
GENERAL SAFETY RULES
WORK AREA SAFETY
1. Keep your work area clean and well lit. Cluttered benches
and dark areas invite accidents. The floor must not be
slippery from wax or dust.
2. Do not operate power tools in explosive atmospheres,
such as in the presence of flammable liquids, gases, or
dust. Power tools create sparks which may ignite dust or
fumes.
3. Keep bystanders, children, and visitors away while
operating tools. Distractions can cause you to lose control.
4. Operate the air compressor in an open area at least 18 in.
away from any wall or object that could restrict the flow of
fresh air to ventilation openings.
ELECTRICAL SAFETY
1. Avoid body contact with grounded surfaces such as pipes,
radiators, ranges, and refrigerators. There is an increased
risk of electric shock if your body is grounded.
2. Don’t expose power tools to rain or wet conditions. Water
entering a power tool will increase the risk of electric
shock.
3. Do not abuse the cord. Never use the cord to carry the tool
or pull the plug from an outlet. Keep the cord away from
heat, oil, sharp edges, or moving parts. Replace damaged
cords immediately. Damaged cords increase the risk of
electric shock.
4. When operating a power tool outside, use an outdoor
extension cord marked “W-A” or “W”. These cords are
rated for outdoor use and reduce the risk of electric
shock.
WARNING:
Read and understand all instructions. Failure to follow
all instructions listed below may result in electric shock,
fire, and/or serious personal injury.
WARNING:
To avoid serious personal injury, do not attempt to use
this product until you read thoroughly and understand
completely the operator’s manual. Save this operator’s
manual and review frequently for continuing safe
operation and instructing others who may use this
product.
PERSONAL SAFETY
1. Eye protection which conforms to ANSI specifications and
provides protection against flying particles both from the
FRONT and SIDE should ALWAYS be worn by the operator
and others in the work area when loading, operating, or
servicing this tool. Eye protection is required to guard
against flying fasteners and debris, which could cause
severe eye injury.
2. The employer and/or user must ensure that proper eye
protection is worn. We recommend a Wide Vision Safety
Mask for use over eyeglasses or standard safety glasses
that provide protection against flying particles both from
the front and side. Always use eye protection which is
marked to comply with ANSI Z87.1.
3. Additional safety protection will be required in some
environments. For example, the working area may include
exposure to a noise level which can lead to hearing
damage. The employer and user must ensure that any
necessary hearing protection is provided and used by the
operator and others in the work area. Some environments
will require the use of head protection equipment. When
required, the employer and user must ensure that head
protection marked to comply with ANSI Z89.1 is used.
4. Stay alert, watch what you are doing, and use common
sense when operating a power tool. Do not use tools while
tired or under the influence of drugs, alcohol, or
medication. A moment of inattention while operating
power tools may result in serious personal injury.
5. Dress properly. Do not wear loose clothing or jewelry.
Contain long hair. Keep your hair, clothing, and gloves
away from moving parts. Loose clothes, jewelry, or long
hair can be caught in moving parts.
4
Safety Information (continued)
6. Do not overreach. Keep proper footing and balance at all
times. Proper footing and balance enables better control
of the tool in unexpected situations.
7. Use safety equipment. Always wear eye protection. A dust
mask, nonskid safety shoes, hard hat, or hearing
protection must be used for appropriate conditions.
8. Do not use on a ladder or unstable support. Stable footing
on a solid surface enables better control of the tool in
unexpected situations.
TOOL USE AND CARE
1. Do not exceed the pressure rating of any component in
the system.
2. Protect material lines and air lines from damage or
puncture. Keep the hose and power cord away from sharp
objects, chemical spills, oil, solvents, and wet floors.
3. Check hoses for weak or worn condition before each use,
making certain all connections are secure. Do not use if a
defect is found. Purchase a new hose or notify an
authorized service center for examination or repair.
4. Release the pressure within the system slowly. Dust and
debris may be harmful.
5. Store idle tools out of the reach of children and other
untrained persons. Tools are dangerous in the hands of
untrained users.
6. Maintain tools with care. Follow maintenance instructions.
Properly maintained tools are easier to control.
7. Check for misalignment or binding of moving parts,
breakage of parts, and any other condition that may affect
the tool’s operation. If damaged, have the tool serviced
before using. Many accidents are caused by poorly
maintained tools.
8. Never point any tool toward yourself or others.
9. Keep the exterior of the air compressor dry, clean, and
free from oil and grease. Always use a clean cloth when
cleaning. Never use brake fluids, gasoline, petroleum-
based products, or any strong solvents to clean the unit.
Following this rule will reduce the risk of deterioration of
the enclosure plastic.
SERVICE
1. Tool service must be performed only by qualified repair
personnel. Service or maintenance performed by
unqualified personnel may result in a risk of injury.
2. Disconnect the power supply, open the drain valve to
decompress the tank and allow water to drain, and allow
the air compressor to become cool to the touch before
servicing. Turn the pressure regulator knob fully counter
clockwise after shutting off the compressor.
3. When servicing a tool, use only identical replacement
parts. Follow the instructions in the Maintenance section
of this manual. Use of unauthorized parts or failure to
follow the Maintenance instructions may create a risk of
injury.
SPECIFIC SAFETY RULES
1. Know your power tool. Read the operator’s manual
carefully. Learn its applications and limitations, as well as
the specific potential hazards related to this tool.
Following this rule will reduce the risk of electric shock,
fire, or serious injury.
2. Drain the tank of moisture after each day’s use. If the unit
will not be used for a while, it is best to leave the drain
valve open until such time as it is to be used. This will
allow moisture to completely drain out and help prevent
corrosion on the inside of tank.
3. Risk of Fire or Explosion. Do not spray flammable liquid in
a confined area. The spray area must be well ventilated.
Do not smoke while spraying or spray where sparks or a
flame is present. Keep compressors as far from the
spraying area as possible, at least 15 feet from the
spraying area and all explosive vapors.
4. Risk of Bursting. Do not adjust the regulator to result in
output pressure greater than the marked maximum
pressure of the attachment. Do not use at a pressure
greater than the rated maximum pressure of this
compressor.
5. If connected to a circuit protected by fuses, use time-
delay fuses with this product.
6. To reduce the risk of electric shock, do not expose to rain.
Store indoors.
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Safety Information (continued)
7. Inspect the tank yearly for rust, pin holes, or other
imperfections that could cause it to become unsafe. Never
weld or drill holes in the air tank.
8. Make sure the hose is free of obstructions or snags.
Entangled or snarled hoses can cause loss of balance or
footing and may become damaged.
9. Use the air compressor only for its intended use. Do not
alter or modify the unit from the original design or
function.
10. Always be aware that misuse and improper handling of
this tool can cause injury to yourself and others.
11. Never leave a tool unattended with the air hose attached.
12. Do not operate this tool if it does not contain a legible
warning label.
13. Do not continue to use a tool or hose that leaks air or does
not function properly.
14. Always disconnect the air supply and power supply before
making adjustments, servicing a tool, or when a tool is not
in use.
15. Do not attempt to pull or carry the air compressor by the
hose.
16. Your tool may require more air consumption than this air
compressor is capable of providing.
17. Always follow all safety rules recommended by the
manufacturer of your tool, in addition to all safety rules for
the air compressor. Following these rules will reduce the
risk of serious personal injury.
18. Never direct a jet of compressed air toward people or
animals. Take care not to blow dust and dirt towards
yourself or others. Following this rule will reduce the risk
of serious injury.
19. Protect your lungs. Wear a face or dust mask if the
operation is dusty. Following this rule will reduce the risk
of serious personal injury.
20. Do not use this air compressor to spray chemicals. Your
lungs can be damaged by inhaling toxic fumes. A
respirator may be necessary in dusty environments or
when spraying paint. Do not carry while painting.
21. Inspect tool cords and hoses periodically and, if damaged,
have repaired at your nearest Authorized Service Center.
Constantly stay aware of cord location. Following this rule
will reduce the risk of electric shock or fire.
22. Never use an electrical adaptor with this grounded plug.
23. Check damaged parts. Before further use of the air
compressor or air tool, a guard or other part that is
damaged should be carefully checked to determine that it
will operate properly and perform its intended function.
Check for alignment of moving parts, binding of moving
parts, breakage of parts, mounting, and any other
conditions that may affect its operation. A guard or other
part that is damaged should be properly repaired or
replaced by an authorized service center. Following this
rule will reduce the risk of shock, fire or serious injury.
24. Make sure your extension cord is in good condition. When
using an extension cord, be sure to use one heavy enough
to carry the current your product will draw. A wire gauge
size (A.W.G.) of at least 14 is recommended for an
extension cord 50 feet or less in length. A cord exceeding
100 feet is not recommended. If in doubt, use the next
heavier gauge. The smaller the gauge number, the heavier
the cord. An undersized cord will cause a drop in line
voltage resulting in loss of power and overheating.
25. WARNING: This product contains one or more chemicals
known to the State of California to cause cancer and birth
defects or other reproductive harm. Wash hands after
handling.
26. Save these instructions. Refer to them frequently and use
them to instruct others who may use this air compressor.
If you loan someone this tool, load them these instructions
also.
WARNING:
The operation of any power tool can result in foreign
objects being thrown into your eyes, which can result in
severe eye damage. Before beginning power tool
operation, always wear safety goggles, safety glasses
with side shields, or a full face shield when needed. We
recommend Wide Vision Safety Mask for use over
eyeglasses or standard safety glasses with side shields.
Always use eye protection which is marked to comply
with ANSI Z87.1.
6
Safety Information (continued)
ELECTRICAL SAFETY (EXTENSION CORDS)
1. Use only 3-wire extension cords that have 3-prong
grounding plugs and 3-pole receptacles that accept the
air compressor’s plug.
2. When using the air compressor at a considerable distance
from the power source, use an extension cord heavy
enough to carry the current that the compressor will draw.
An undersized extension cord will cause a drop in line
voltage, resulting in a loss of power and causing the
motor to overheat. Use the chart provided below to
determine the minimum wire size required in an extension
cord.
3. Only round jacketed cords listed by Underwriter’s
Laboratories (UL) should be used.
**Ampere rating (on air compressor data plate)
0-
2.0
2.1-
3.4
3.5-
5.0
5.1-
7.0
7.1-12.0 12.1-16.0
Cord
Length
Wire Size (A.W.G.)
25’ 16 16 16 16 14 14
50’ 16 16 16 14 14 12
100’ 16 16 14 12 10 –
** Used on 12 gauge - 20 amp circuit.
Note: A.W.G. = American Wire Gauge
WARNING: Keep the extension cord clear of the working
area. Position the cord so that it will not get caught on
lumber, tools, or other obstructions while you are
working with a power tool. Failure to do so can result in
serious personal injury.
WARNING: Check the extension cords before each use.
If damaged, replace immediately. Never use the air
compressor with a damaged cord since touching the
damaged area could cause electrical shock resulting in
serious personal injury.
4. When working with the air compressor outdoors, use an
extension cord that is designed for outside use. This is
indicated by the letters “W-A” on the cord’s jacket.
5. Before using an extension cord, inspect it for loose or
exposed wires and cut or worn insulation.
NOTE: Use longer air hoses instead of long extension
cords. Your air compressor will run better and last
longer.
ELECTRICAL SAFETY (ELECTRICAL
CONNECTION)
1. This air compressor is powered by a precision built
electric motor. It should be connected to a power supply
that is 120 volts, 60 Hz, AC only (normal household
current).
2. Do not operate this tool on direct current (DC). A
substantial voltage drop will cause a loss of power and
the motor will overheat. If the air compressor does not
operate when plugged into an outlet, double check the
power supply.
ELECTRICAL SAFETY (SPEED AND WIRING)
1. The no-load speed of the electric motor varies by model
and specification. The motor speed is not constant and
decreases under a load or with lower voltage. For voltage,
the wiring in a shop is as important as the motor’s
horsepower rating.
2. A line intended only for lights cannot properly carry a
power tool motor. Wire that is heavy enough for a short
distance will be too light for a greater distance. A line that
can support one power tool may not be able to support
two or three tools.
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Safety Information (continued)
ELECTRICAL SAFETY (GROUNDING
INSTRUCTIONS)
1. In the event of a malfunction or breakdown, grounding
provides a path of least resistance for electric current to
reduce the risk of electric shock. This air compressor is
equipped with an electric cord having an equipment-
grounding conductor and a grounding plug. The plug must
be plugged into a matching outlet that is properly installed
and grounded in accordance with all local codes and
ordinances.
2. Do not modify the plug provided. If it will not fit the outlet,
have the proper outlet installed by a qualified electrician..
3. The conductor with insulation having an outer surface that
is green with or without yellow stripes is the equipment-
grounding conductor. If repair or replacement of the
electric cord or plug is necessary, do not connect the
equipment-grounding conductor to a live terminal.
4. Check with a qualified electrician or service personnel if
the grounding instructions are not completely understood,
or if in doubt as to whether the tool is properly grounded.
5. Replace a damaged or worn cord immediately.
WARNING: Improper connection of the equipment-
grounding conductor can result in a risk of electric
shock.
6. This air compressor is intended for use on a circuit that
has an outlet like the one shown in the figure. It also has a
grounding pin like the one shown. This product must be
grounded.
7. Never use an electrical adapter with this grounded plug.
GROUNDING PIN
120V GROUNDED OUTLET
8
Warranty
HUSKY AIR COMPRESSOR LIMITED TWO-YEAR WARRANTY
This product is manufactured by Nu Air Shanghai factory, Ltd, based in Shanghai, China or its North American Operations, Nu Air USA Corp.,
Rock Hill, SC, or by other Nu Air Operations worldwide. The trademark is licensed from HUSKY.
All warranty communications about this HUSKY model should be directed to air compressor support at (toll free) 1-888-43-HUSKY.
WHAT IS COVERED UNDER THIS LIMITED TWO-YEAR WARRANTY
This warranty covers defects in workmanship or materials in this HUSKY air compressor for the two-year period from the date of purchase.
This warranty is specific to this air compressor model. Warranties for other HUSKY products may vary.
HOW TO OBTAIN SERVICE
To obtain service for this HUSKY air compressor you must return it, freight prepaid, to a service center authorized to repair HUSKY air
compressors. You may obtain the location of the service center nearest you by calling (toll free) 1-888-43-HUSKY. When requesting
warranty service, you must present the proof of purchase documentation, which includes the date of purchase. The authorized service
center will repair any faulty workmanship, and either repair or replace any defective part at Nu Air’s option at no charge to you.
WHAT IS NOT COVERED
This warranty applies only to the original purchaser and may not be transferred. This warranty does not cover normal wear and tear or any
malfunction, failure or defect resulting from misuse, abuse, neglect, alteration, modification or repair by other than a service center
authorized to repair HUSKY branded air compressors. Expendable materials, such as motor brushes, seals, etc. are not covered by this
warranty. This warranty does not apply to this compressor used in industrial applications or for rental purposes. Nu Air makes no
warranties, representations or promises as to the quality or performance of its air compressors other than those specifically stated in this
warranty. HUSKY makes no warranties or representations, express or implied, including as noted below.
ADDITIONAL LIMITATIONS
To the extent permitted by applicable law, all implied warranties, including warranties of merchantability or fitness for a particular purpose,
are disclaimed. Any implied warranties, including warranties of merchantability or fitness for a particular purpose, that cannot be
disclaimed under state law are limited to two years from the date of purchase. Nu Air is not responsible for direct, indirect, incidental,
special or consequential damages. If this air compressor is used for commercial purposes, the warranty will apply for ninety (90) days from
the date of purchase. Some states do not allow limitations on how long an implied warranty lasts and/or do not allow the exclusion or
limitation of incidental or consequential damages, so the above limitations may not apply to you. This warranty gives you specific legal
rights, and you may also have other rights, which vary from state to state.
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Pre-installation
SPECIFICATIONS
Running horsepower
1.5 HP
Air tank capacity
4 gal.
Air pressure
155 PSI max.
3.2 SCFM @ 90 PSI
Air delivery
4.2 SCFM @ 40 PSI
Lubrication
Oil-free
Gauges
(1) gauge 1.414 in. diameter
(1) gauge 1.8 in. diameter
Input
120 V, 60 Hz, AC only, 12 Amps.
Net weight
44 lbs.
PACKAGE CONTENTS
Part Description
A Carry handle
B Manual ON/OFF switch
C Safety valve
D Telescopic handle
E Tanks
F Quick couplers
Part Description
G Pressure regulator knob
H Tank pressure gauge
I Regulator pressure gauge
J Rubber foot
K Drain valve
10
Assembly
1
Unpacking
2
Packing list
This product has been shipped completely assembled.
□ Carefully remove the tool and any accessories from the
box. Make sure that all items listed in the packing list are
included.
□ Inspect the tool carefully to make sure no breakage or
damage occurred during shipping.
□ Do not discard the packing material until you have carefully
inspected and satisfactorily operated the tool.
□ If any parts are damaged or missing, please call
1-888-43-HUSKY for assistance.
WARNING: If any parts are missing do not operate the
compressor until the missing parts are replaced. Failure to do
so could result in possible serious personal injury.
WARNING: Do not attempt to modify this tool or create
accessories not recommended for use with this tool. Any such
alteration or modification is misuse and could result in a
hazardous condition leading to possible serious personal
injury.
□ Air Compressor (1)
□ Use and Care Guide (1)
3
Attaching the hose
□ Insert the hose into the quick coupler (F) already installed
on the compressor.
WARNING: Do not attach any tools to the open end of the
hose until start-up has been completed.
□ Firmly grasp the open end of the hose; hold facing away
from yourself and others.
F
F
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Assembly (continued)
4
Breaking in the pump
□ Check and tighten all bolts, fittings, etc.
□ Turn the pressure regulator knob (G) fully clockwise to
open the air flow.
□ Place the ON/OFF switch (B) in the OFF position and plug
in the power cord.
□ Open the drain valves (K) completely.
□ Place the ON/OFF switch (B) in the ON position and run the
air compressor for 10 minutes to break in pump parts.
□ Place the ON/OFF switch (B) in the OFF position.
□ Close the drain valves (K).
K
K
B
G
12
Transport and Lifting
1
Transport
2
Lifting
□ Pull the telescopic handle (D) out until it locks into place.
NOTE: This handle is only for pulling the unit.
DO NOT lift the unit by this handle.
□ To lower handle push it down.
□ For lifting the unit use only the black carry handle (A).
A
D
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Operation
1
Using the air compressor
NOTE: Air compressors are utilized in a variety of air system
applications. Match hoses, connectors, air tools, and
accessories to the capabilities of the air compressor. You
may use this tool for purposes listed below:
□ Operating some air-powered tools.
□ Inflating tires, air beds, sports equipment, etc.
□ Ensure the tank drain valve (K) is closed.
□ Ensure the on/off switch (B) is in the OFF position and the
air compressor is unplugged.
□ Ensure the pressure regulator knob (G) is turned fully
counterclockwise.
□ If not already installed, attach the hose to the compressor.
□ Connect the air powered tools (CC1) to the air hose by
inserting the male quick-connect plug (CC2) to the quick-
coupler at the end of the coil hose (CC3).
□ Connect the power cord to the power supply.
□ Turn the on/off switch (B) to the ON position.
□ Rotate the pressure regulator knob (G) to the desired line
pressure. Turning the knob clockwise increases air
pressure at the outlet; turning the knob counterclockwise
reduces air pressure at the outlet.
NOTE: Before connecting or disconnecting air tools, turn the
regulator knob (G) counterclockwise to stop the flow of air.
□ Following all safety precautions in this manual and the
manufacturer’s instructions in the air tool manual. You
may now use your air-powered tool.
□ If using an inflation accessory with a quick-connect fitting,
control the amount of air flow with the pressure regulator
knob (G). Turning the knob fully counterclockwise will
completely stop the flow of air.
NOTE: Always use the minimum amount of pressure
necessary for your application. Using a higher pressure than
needed will drain air from the tank more rapidly and cause
the unit to cycle on more frequently.
□
When finished, always drain the tank and unplug the unit.
Never leave the unit plugged in and/or running unattended.
WARNING: Check the air tool manual to insure the correct air
pressure regulator setting for optimum operation of your air
tools. If you are using an air tool not originally included with
the air tool kit supplied with this air compressor, your tool
may require more air consumption than this air compressor
is designed to supply.
Always read your air tool owner’s manual to match the
correct air supply to your air tool to avoid damage to the tool
WARNING: Do not allow familiarity with tools to make you
careless. Remember that a careless fraction of a second is
sufficient to inflict serious injury.
WARNING: Always wear safety goggles or safety glasses
with side shields when operating power tools. Failure to do
so could result in objects being thrown into your eyes
resulting in possible serious injury.
CAUTION: Do not use in an environment that is dusty or
otherwise contaminated. Using the air compressor in this
type of environment may cause damage to the unit.
WARNING: Always ensure the on/off switch (B) is in the OFF
position and the regulator pressure gauge reads zero before
changing air tools or disconnecting the hose from the air
outlet. Failure to do so could result in possible serious
personal injury.
14
Operation (continued)
2
Draining the tank
3
Checking the safety valve
□ To help prevent tank corrosion and keep moisture out of
the air used, the tank of the compressor should be drained
daily.
□ A correct use of the drain valve:
□ Holding the handle, tilt the compressor toward the drain
valve so that it’s set in a lower position.
□ Open the drain valve (K) completely.
□ Keep the compressor tilted until all moisture has been
removed.
□ Drain the moisture from the tank into a suitable container.
NOTE: Condensation is a pollution material and should be
disposed of in compliance with local regulations.
□ If the drain valve is clogged, release all air pressure by
pulling the safety valve (C). Remove and clean the valve,
then reinstall.
WARNING: Unplug the air compressor and release all air
from the tank before servicing. Failure to depressurize tank
before attempting to remove valve may cause serious
personal injury.
□ Turn off the drain valve (K) until completely closed.
DANGER : Do not attempt to tamper with safety valve.
Anything loosened from this device could fly up and hit you.
Failure to heed this warning could result in death or serious
personal injury.
□ The safety valve will automatically release air if the air
receiver pressure exceeds the preset maximum. The valve
should be checked before each day of use by pulling the
ring by hand.
□ Turn the air compressor on and allow the tank to fill. The
compressor will shut off when the pressure reaches the
preset maximum.
□ Turn the air compressor off.
□ Pull the ring on the safety valve (C) to release air for twenty
seconds.
□ Release the ring. Air will stop escaping when the ring is
released at approximately 20 psi. Any continued loss of air
after releasing the safety valve ring indicates a problem
with the safety valve. Discontinue use and seek service
before continued use of the air compressor.
WARNING: If air leaks below 20 psi after the ring has been
released, or if the valve is stuck and cannot be actuated by
the ring, do not use the air compressor until the safety valve
has been replaced. Use of the air compressor in this
condition could result in serious personal injury.
C
K
K
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Maintenance
GENERAL MAINTENANCE
Humidity in the air causes condensation to form in the air tank.
This condensation should be drained daily and/or every hour,
using the instructions found in Draining the tank (on page 14).
The safety valve automatically releases air if the air receiver
pressure exceeds the preset maximum. Check the safety valve
before each use following the instructions found in Checking the
safety valve (on page 14).
Inspect the tank yearly for rust, pin holes, or other imperfections
that could cause it to become unsafe.
AIR COMPRESSOR LUBRICATION
All the bearings in this tool are lubricated with a sufficient
amount of high grade lubricant for the life of the unit under
normal operating conditions. Therefore, no further lubrication of
the bearings is required.
WARNING: When servicing, use only identical Husky
replacement parts. Use of any other parts may create a
hazard or cause product damage.
WARNING: Always wear safety goggles or safety
glasses with side shields during power tool operation or
when blowing dust. If operation is dusty, also wear a
dust mask.
WARNING: Always release all pressure, disconnect from
power supply, and allow unit to cool to the touch before
cleaning or making repairs on the air compressor.
Care and Cleaning
Avoid using solvents when cleaning plastic parts. Most plastics
are susceptible to damage from various types of commercial
solvents and may be damaged by their use.
Use clean cloths to remove dirt, dust, oil, grease, etc.
WARNING: Do not at any time let brake fluids, gasoline,
petroleum-based products, penetrating oils, etc., come
in contact with plastic parts. Chemical can damage,
weaken or destroy plastic which may result in serious
personal injury. Electric tools used on fiberglass
material, wall-board, spackling compounds, or plaster
are subject to accelerated wear and possible premature
failure because the fiberglass chips and grindings are
highly abrasive to bearings, brushes, commutators, etc.
Consequently, we do not recommend using this tool for
extended work on these type of materials. However, if
you do work with any of these materials, it is extremely
important to clean the tool using compressed air.
16
Troubleshooting
Problem Possible Cause Solution
The compressor does not run. □ The tank has sufficient pressure. □ The compressor will turn on when the tank
pressure drops to cut-in pressure.
□ There is no electrical power being
supplied to compressor or, the
power switch is in the OFF
position.
□ Check to be sure the compressor is plugged in
and the power switch is in the ON position.
□ A fuse has blown at the power
supply.
□ Replace the fuse at the power supply.
□ A breaker has tripped at the
power supply.
□ Reset the breaker at the power supply and
determine why the problem happened.
□ The motor is too hot and the
thermal overload is open.
□ Disconnect the compressor from the power
supply and allow the motor to cool for several
minutes. The thermal overload will automatically
reset after the compressor has cooled.
□ Loss of power or overheating. □ Check the power supply and any extension cord
meet the gauge and length requirements of this
compressor.
□ The pressure switch is bad. □ Replace the pressure switch.
The motor hums, but does not
run or runs slowly.
□ The voltage from the power
supply is low.
□ Check the voltage from the power supply with a
voltmeter.
□ The gauge wire or the length of
extension cord is wrong.
□ Use the correct wire gauge and length extension
cord.
□ The motor winding is shorted or
broken.
□ Take the compressor to an authorized service
center.
□ The unloader or check valve is
defective.
□ Take the compressor to an authorized service
center.
The fuses blow or the circuit
breaker trips repeatedly.
□ The fuse size is incorrect or the
circuit is overloaded.
□ Check the fuse or breaker at the power supply is
the correct size and type. Be sure to use only
time-delay fuses. To avoid overloading a circuit,
disconnect other electrical appliances from circuit
or operate compressor on its own branch circuit.
□ The gauge wire or the length of
extension cord is wrong.
□ Use the correct wire gauge and length extension
cord.
□ The check valve or the unloader is
defective.
□ Take the compressor to an authorized service
center.
The thermal overload protector
cuts out repeatedly.
□ The voltage is low. □ Check for proper voltage using a voltmeter.
□ A poorly ventilated room is
causing the motor to overheat.
□ Move the compressor to a well-ventilated area.
□ The gauge wire or the length of
extension cord is wrong.
□ Check for proper gauge wire and cord length.
17 HUSKYTOOLS.COM
Contact 1-888-43-HUSKY for further assistance.
Troubleshooting (continued)
Problem Possible Cause Solution
The air receiver pressure
drops when the compressor
shuts off.
□ The connections are loose or
leaking (fittings, tubing, etc.).
□ Check all the connections with soapy water and
look for bubbles. Thread sealing tape should be
used on all threaded connections. Tighten any
loose connections until the leak stops.
□ The drain valve is loose. □ Tighten the drain valve.
□ The check valve is leaking. □ Take the compressor to a authorized service
center.
DANGER: Do not disassemble the check
valve while air is in tank - empty the all
the air out of the tank before disassembly.
There is excessive moisture in
the air discharge.
□ There is excessive water in the air
tank.
□ Drain the tank to remove water.
□ The humidity is high. □ Move the compressor to an area of less humidity
or use an air line filter to reduce moisture
discharge in the tank.
Air is leaking from the
compressor.
□ The hose connection is loose or
improperly sealed.
□ Ensure connections are sealed with thread
sealing tape and tightened.
□ The air hose is broken or
damaged.
□ Replace the air hose.
The compressor runs
continuously.
□ The tank drain valve is open. □ Ensure the tank drain valve is closed.
□ The pressure switch is defective. □ Take the compressor to an authorized service
center.
□ The usage is excessive. □ Decrease the amount of tool run-time; the
compressor is not large enough to supply the air
requirement of the tool.
The compressor vibrates. □ The compressor mounting bolts
are loose.
□ Tighten any loose bolts on the compressor mount.
The air output is lower than
normal.
□ The inlet valves are broken. □ Take the compressor to an authorized service
center.
□ The connections are leaking. □ Apply thread sealing tape to threaded connections
and tighten.
18
Service Parts
PARTS DIAGRAM
19 HUSKYTOOLS.COM
Contact 1-888-43-HUSKY for further assistance.
Service Parts (continued)
PARTS LIST
The model number will be found on a plate attached to air tank. Always mention the model number in all correspondence regarding your
portable air compressor or when ordering replacement parts.
Key Number Code Description Quantity
A 9038405 Plastic cover 1
A1 9038407 Plastic cord hook 2
A2 9142572 Screw parker 4,2x25 2
A3 9104139 Screw 6x12 6
A4 9142772 Screw parker 4,2x16 2
A5 9004049 Washer 4,3x12x1 2
B 9417061 Pump OL227 V120 1
B1 9054016 Air filter 1
B2 9050601 Elbow 1
B3 9043503 Sending pipe 1
B4 9417193 Screw 6x25 4
B5 9417072 Washer 16x6,5x2 4
B6 9122451 Locknut M6 6
C 9413457021 Air receiver 1
C1 9048101 Check valve 1
C2 9047086 Quick coupling 2
C3 9047062 Drain valve 2
C4 9051185 Air regulator 1
C5 9049115 Safety valve 1
C6 9063217 Pressure switch 1
C7 9414765 Power switch 1
C8 9065675 Wire 18AWG (black) 1
C9 9415129 Wire 18AWG (black) 1
C10 9065676 Wire 18AWG (white) 1
C11 9064821 Lock cable 1
C12 9142591 Screw parker 3.9x13 2
C13 9038787 Plastic panel (switch) 1
C14 9052155 Gauge 2” 1
C15 9052111 Gauge 1,5” 1
C16 9412192 Washer M5 1
C17 9114082 Screw 5x12 1
D 9038786 Plastic panel (gauges) 1
D1 9416604 Screw 5x16 2
D2 9131678 Washer 5,3x12x1,5 2
E 9083476 Handle 1
E1 9038799 Rubber grip 1
E2 9038367 Broken brush 4
E3 9416102 Bracket for trolley handle 2
E4 9416105 Snap button for trolley handle 2
F 9042030 Wheel 2
F1 9011049 Wheel pin 2
F2 9416592 Bracket for wheel 2
F3 9038401 Rubber foot 2
F4 9107288 Screw 8x15 2
F5 9131540 Washer 8,5x24x2 2
G 9065680 Cord with plug 1
20
Symbols
Some of the following symbols may be used on this tool. Please study them and learn their meaning. Proper interpretation of these symbols
will allow you to operate the tool better and safer.
Symbol Name Designation/Explanation
V Volts Voltage
A Amperes Current
Hz Hertz Frequency (cycles per second)
~ Alternating Current Type of current
Class II Construction Double-insulated construction
Wet Conditions Alert Do not expose to rain or use in damp locations.
Read The Operator’s
Manual
To reduce the risk of injury, the user must read and understand the
operator’s manual before using this product.
Eye Protection Always wear safety goggles, safety glasses with side shields, or a full face
shield when operating this product.
Safety Alert Precautions that involve your safety.
Risk of Bursting Do not adjust the regulator to result in output pressure greater than the
marked maximum pressure of the attachment. Do not use at a pressure
greater than 155 PSI.
Risk of Fire or Explosion Do not spray flammable liquid in a confined area. The spray area must be
well ventilated. Do not smoke while spraying or spray where a spark or
flame is present. Keep the compressor as far from the spraying area as
possible, at least 15 feet from the spraying area and all explosive vapors.
Risk of Electrical Shock Hazardous Voltage: Disconnect from the power source before servicing. The
compressor must be grounded.
Hot Surface To reduce the risk of injury or damage, avoid contact with any hot surface.
Risk to Hearing Always wear ear protection when using this tool. Failure to do so may result
in hearing loss.
Risk to Breathing Air obtained directly from the air compressor should never be used to supply
air for human consumption.
Drain Tank Drain the tank every day to prevent corrosion and possible injury due to tank
damage. Risk of bursting. Tilt tank to drain.
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